Collapsible drawer unit



FIG. 1 is a perspective view of a collapsible drawer unit showing thefront, top, and right side views of my design;

FIG. 2 is a front elevation of the FIG. 1 design, the rear elevationbeing the same;

FIG. 3 is a right side elevation of the FIG. 1 design, the left sideelevation being the same;

FIG. 4 is a top plan view of the FIG. 1 design; and

FIG. 5 is an enlarged fragmentary view showing a portion of a side railand a portion of the top in greater detail.

The ornamental design for a collapsible drawer unit, substantially asshown and described.